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<td ><a href="../qtdoc/index.html">Qt 5.12</a></td><td ><a href="qtquick-index.html">Qt Quick 模块</a></td><td ><a href="qtquick-qmlmodule.html">QML类型</a></td><td >DragEvent QML 类型</td></tr></table><table class="buildversion"><tr>
<td id="buildversion" width="100%" align="right"><a href="qtquick-index.html">Qt 5.12.3 参考指南</a></td>
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<h3><a name="toc">目录</a></h3>
<ul>
<li class="level1"><a href="#properties">属性</a></li>
<li class="level1"><a href="#methods">Methods</a></li>
<li class="level1"><a href="#details">详细信息</a></li>
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<h1 class="title">DragEvent QML 类型</h1>
<span class="subtitle"></span>
<!-- $$$DragEvent-brief -->
<p>Provides information about a drag event. <a href="#details">更多...</a></p>
<!-- @@@DragEvent -->
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> 导入语句：</td><td class="memItemRight bottomAlign"> import QtQuick 2.12</td></tr></table></div><ul>
<li><a href="qml-qtquick-dragevent-members.html">所有成员的列表，包括继承成员</a></li>
</ul>
<a name="properties"></a>
<h2 id="properties">属性</h2>
<ul>
<li class="fn"><b><b><a href="qml-qtquick-dragevent.html#accepted-prop">accepted</a></b></b> : bool</li>
<li class="fn"><b><b><a href="qml-qtquick-dragevent.html#action-prop">action</a></b></b> : enumeration</li>
<li class="fn"><b><b><a href="qml-qtquick-dragevent.html#colorData-prop">colorData</a></b></b> : color</li>
<li class="fn"><b><b><a href="qml-qtquick-dragevent.html#drag.source-prop">drag.source</a></b></b> : Object</li>
<li class="fn"><b><b><a href="qml-qtquick-dragevent.html#formats-prop">formats</a></b></b> : stringlist</li>
<li class="fn"><b><b><a href="qml-qtquick-dragevent.html#hasColor-prop">hasColor</a></b></b> : bool</li>
<li class="fn"><b><b><a href="qml-qtquick-dragevent.html#hasHtml-prop">hasHtml</a></b></b> : bool</li>
<li class="fn"><b><b><a href="qml-qtquick-dragevent.html#hasText-prop">hasText</a></b></b> : bool</li>
<li class="fn"><b><b><a href="qml-qtquick-dragevent.html#hasUrls-prop">hasUrls</a></b></b> : bool</li>
<li class="fn"><b><b><a href="qml-qtquick-dragevent.html#html-prop">html</a></b></b> : string</li>
<li class="fn"><b><b><a href="qml-qtquick-dragevent.html#keys-prop">keys</a></b></b> : stringlist</li>
<li class="fn"><b><b><a href="qml-qtquick-dragevent.html#proposedAction-prop">proposedAction</a></b></b> : flags</li>
<li class="fn"><b><b><a href="qml-qtquick-dragevent.html#supportedActions-prop">supportedActions</a></b></b> : flags</li>
<li class="fn"><b><b><a href="qml-qtquick-dragevent.html#text-prop">text</a></b></b> : string</li>
<li class="fn"><b><b><a href="qml-qtquick-dragevent.html#urls-prop">urls</a></b></b> : urllist</li>
<li class="fn"><b><b><a href="qml-qtquick-dragevent.html#x-prop">x</a></b></b> : real</li>
<li class="fn"><b><b><a href="qml-qtquick-dragevent.html#y-prop">y</a></b></b> : real</li>
</ul>
<a name="methods"></a>
<h2 id="methods">Methods</h2>
<ul>
<li class="fn"><b><b><a href="qml-qtquick-dragevent.html#accept-method">accept</a></b></b>()</li>
<li class="fn"><b><b><a href="qml-qtquick-dragevent.html#accept-method-1">accept</a></b></b>(enumeration <i>action</i>)</li>
<li class="fn"><b><b><a href="qml-qtquick-dragevent.html#acceptProposedAction-method">acceptProposedAction</a></b></b>()</li>
<li class="fn">string <b><b><a href="qml-qtquick-dragevent.html#getDataAsArrayBuffer-method">getDataAsArrayBuffer</a></b></b>(string <i>format</i>)</li>
<li class="fn">string <b><b><a href="qml-qtquick-dragevent.html#getDataAsString-method">getDataAsString</a></b></b>(string <i>format</i>)</li>
</ul>
<!-- $$$DragEvent-description -->
<a name="details"></a>
<h2 id="details">详细信息</h2>
<p>The position of the drag event can be obtained from the <a href="qml-qtquick-dragevent.html#x-prop">x</a> and <a href="qml-qtquick-dragevent.html#y-prop">y</a> properties, and the <a href="qml-qtquick-dragevent.html#keys-prop">keys</a> property identifies the drag keys of the event <a href="qml-qtquick-dragevent.html#drag.source-prop">source</a>.</p>
<p>The existence of specific drag types can be determined using the <a href="qml-qtquick-dragevent.html#hasColor-prop">hasColor</a>, <a href="qml-qtquick-dragevent.html#hasHtml-prop">hasHtml</a>, <a href="qml-qtquick-dragevent.html#hasText-prop">hasText</a>, and <a href="qml-qtquick-dragevent.html#hasUrls-prop">hasUrls</a> properties.</p>
<p>The list of all supplied formats can be determined using the <a href="qml-qtquick-dragevent.html#formats-prop">formats</a> property.</p>
<p>Specific drag types can be obtained using the <a href="qml-qtquick-dragevent.html#colorData-prop">colorData</a>, <a href="qml-qtquick-dragevent.html#html-prop">html</a>, <a href="qml-qtquick-dragevent.html#text-prop">text</a>, and <a href="qml-qtquick-dragevent.html#urls-prop">urls</a> properties.</p>
<p>A string version of any available mimeType can be obtained using <a href="qml-qtquick-dragevent.html#getDataAsString-method">getDataAsString</a>.</p>
<!-- @@@DragEvent -->
<h2>属性文档</h2>
<!-- $$$accepted -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="accepted-prop">
<td class="tblQmlPropNode"><p>
<a name="accepted-prop"></a><span class="name">accepted</span> : <span class="type"><a href="../qtqml/qml-bool.html">bool</a></span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property holds whether the drag event was accepted by a handler.</p>
<p>The default value is true.</p>
</div></div><!-- @@@accepted -->
<br/>
<!-- $$$action -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="action-prop">
<td class="tblQmlPropNode"><p>
<a name="action-prop"></a><span class="name">action</span> : <span class="type"><a href="../qtqml/qml-enumeration.html">enumeration</a></span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property holds the action that the <a href="qml-qtquick-dragevent.html#drag.source-prop">source</a> is to perform on an accepted drop.</p>
<p>The drop action may be one of:</p>
<ul>
<li>Qt.CopyAction Copy the data to the target.</li>
<li>Qt.MoveAction Move the data from the source to the target.</li>
<li>Qt.LinkAction Create a link from the source to the target.</li>
<li>Qt.IgnoreAction Ignore the action (do nothing with the data).</li>
</ul>
</div></div><!-- @@@action -->
<br/>
<!-- $$$colorData -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="colorData-prop">
<td class="tblQmlPropNode"><p>
<a name="colorData-prop"></a><span class="name">colorData</span> : <span class="type"><a href="qml-color.html">color</a></span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property holds color data, if any.</p>
<p>This property was introduced in  Qt 5.2.</p>
</div></div><!-- @@@colorData -->
<br/>
<!-- $$$drag.source -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="drag.source-prop">
<td class="tblQmlPropNode"><p>
<a name="drag.source-prop"></a><span class="name">drag.source</span> : <span class="type">Object</span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property holds the source of a drag event.</p>
</div></div><!-- @@@drag.source -->
<br/>
<!-- $$$formats -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="formats-prop">
<td class="tblQmlPropNode"><p>
<a name="formats-prop"></a><span class="name">formats</span> : <span class="type">stringlist</span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property holds a list of mime type formats contained in the drag data.</p>
<p>This property was introduced in  Qt 5.2.</p>
</div></div><!-- @@@formats -->
<br/>
<!-- $$$hasColor -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="hasColor-prop">
<td class="tblQmlPropNode"><p>
<a name="hasColor-prop"></a><span class="name">hasColor</span> : <span class="type"><a href="../qtqml/qml-bool.html">bool</a></span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property holds whether the drag event contains a color item.</p>
<p>This property was introduced in  Qt 5.2.</p>
</div></div><!-- @@@hasColor -->
<br/>
<!-- $$$hasHtml -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="hasHtml-prop">
<td class="tblQmlPropNode"><p>
<a name="hasHtml-prop"></a><span class="name">hasHtml</span> : <span class="type"><a href="../qtqml/qml-bool.html">bool</a></span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property holds whether the drag event contains a html item.</p>
<p>This property was introduced in  Qt 5.2.</p>
</div></div><!-- @@@hasHtml -->
<br/>
<!-- $$$hasText -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="hasText-prop">
<td class="tblQmlPropNode"><p>
<a name="hasText-prop"></a><span class="name">hasText</span> : <span class="type"><a href="../qtqml/qml-bool.html">bool</a></span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property holds whether the drag event contains a text item.</p>
<p>This property was introduced in  Qt 5.2.</p>
</div></div><!-- @@@hasText -->
<br/>
<!-- $$$hasUrls -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="hasUrls-prop">
<td class="tblQmlPropNode"><p>
<a name="hasUrls-prop"></a><span class="name">hasUrls</span> : <span class="type"><a href="../qtqml/qml-bool.html">bool</a></span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property holds whether the drag event contains one or more url items.</p>
<p>This property was introduced in  Qt 5.2.</p>
</div></div><!-- @@@hasUrls -->
<br/>
<!-- $$$html -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="html-prop">
<td class="tblQmlPropNode"><p>
<a name="html-prop"></a><span class="name">html</span> : <span class="type"><a href="../qtqml/qml-string.html">string</a></span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property holds html data, if any.</p>
<p>This property was introduced in  Qt 5.2.</p>
</div></div><!-- @@@html -->
<br/>
<!-- $$$keys -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="keys-prop">
<td class="tblQmlPropNode"><p>
<a name="keys-prop"></a><span class="name">keys</span> : <span class="type">stringlist</span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property holds a list of keys identifying the data type or source of a drag event.</p>
</div></div><!-- @@@keys -->
<br/>
<!-- $$$proposedAction -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="proposedAction-prop">
<td class="tblQmlPropNode"><p>
<a name="proposedAction-prop"></a><span class="name">proposedAction</span> : <span class="type">flags</span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property holds the set of <a href="qml-qtquick-dragevent.html#action-prop">actions</a> proposed by the drag source.</p>
<p>This property was introduced in  Qt 5.2.</p>
</div></div><!-- @@@proposedAction -->
<br/>
<!-- $$$supportedActions -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="supportedActions-prop">
<td class="tblQmlPropNode"><p>
<a name="supportedActions-prop"></a><span class="name">supportedActions</span> : <span class="type">flags</span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property holds the set of <a href="qml-qtquick-dragevent.html#action-prop">actions</a> supported by the drag source.</p>
</div></div><!-- @@@supportedActions -->
<br/>
<!-- $$$text -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="text-prop">
<td class="tblQmlPropNode"><p>
<a name="text-prop"></a><span class="name">text</span> : <span class="type"><a href="../qtqml/qml-string.html">string</a></span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property holds text data, if any.</p>
<p>This property was introduced in  Qt 5.2.</p>
</div></div><!-- @@@text -->
<br/>
<!-- $$$urls -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="urls-prop">
<td class="tblQmlPropNode"><p>
<a name="urls-prop"></a><span class="name">urls</span> : <span class="type">urllist</span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property holds a list of urls, if any.</p>
<p>This property was introduced in  Qt 5.2.</p>
</div></div><!-- @@@urls -->
<br/>
<!-- $$$x -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="x-prop">
<td class="tblQmlPropNode"><p>
<a name="x-prop"></a><span class="name">x</span> : <span class="type"><a href="../qtqml/qml-real.html">real</a></span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property holds the x coordinate of a drag event.</p>
</div></div><!-- @@@x -->
<br/>
<!-- $$$y -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="y-prop">
<td class="tblQmlPropNode"><p>
<a name="y-prop"></a><span class="name">y</span> : <span class="type"><a href="../qtqml/qml-real.html">real</a></span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property holds the y coordinate of a drag event.</p>
</div></div><!-- @@@y -->
<br/>
<h2>Method Documentation</h2>
<!-- $$$ -->
<div class="qmlitem"><div class="fngroup">
<div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="">
<td class="tblQmlFuncNode"><p>
<a name="accept-method"></a><span class="name">accept</span>()</p></td></tr>
<tr valign="top" class="odd" id="">
<td class="tblQmlFuncNode"><p>
<a name="accept-method-1"></a><span class="name">accept</span>(<span class="type"><a href="../qtqml/qml-enumeration.html">enumeration</a></span> <i>action</i>)</p></td></tr>
</table></div>
</div></div><div class="qmldoc"><p>Accepts the drag event.</p>
<p>If an <i>action</i> is specified it will overwrite the value of the <a href="qml-qtquick-dragevent.html#action-prop">action</a> property.</p>
</div></div><!-- @@@ -->
<br/>
<!-- $$$acceptProposedAction -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="acceptProposedAction-method">
<td class="tblQmlFuncNode"><p>
<a name="acceptProposedAction-method"></a><span class="name">acceptProposedAction</span>()</p></td></tr>
</table></div>
</div><div class="qmldoc"><p>Accepts the drag event with the <a href="qml-qtquick-dragevent.html#proposedAction-prop">proposedAction</a>.</p>
<p>This method was introduced in  Qt 5.2.</p>
</div></div><!-- @@@acceptProposedAction -->
<br/>
<!-- $$$getDataAsArrayBuffer -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="getDataAsArrayBuffer-method">
<td class="tblQmlFuncNode"><p>
<a name="getDataAsArrayBuffer-method"></a><span class="type"><a href="../qtqml/qml-string.html">string</a></span> <span class="name">getDataAsArrayBuffer</span>(<span class="type"><a href="../qtqml/qml-string.html">string</a></span> <i>format</i>)</p></td></tr>
</table></div>
</div><div class="qmldoc"><p>Returns the data for the given <i>format</i> into an ArrayBuffer, which can easily be translated into a <a href="../qtcore/qbytearray.html">QByteArray</a>. <i>format</i> should be one contained in the <a href="qml-qtquick-dragevent.html#formats-prop">formats</a> property.</p>
<p>This method was introduced in  Qt 5.5.</p>
</div></div><!-- @@@getDataAsArrayBuffer -->
<br/>
<!-- $$$getDataAsString -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="getDataAsString-method">
<td class="tblQmlFuncNode"><p>
<a name="getDataAsString-method"></a><span class="type"><a href="../qtqml/qml-string.html">string</a></span> <span class="name">getDataAsString</span>(<span class="type"><a href="../qtqml/qml-string.html">string</a></span> <i>format</i>)</p></td></tr>
</table></div>
</div><div class="qmldoc"><p>Returns the data for the given <i>format</i> converted to a string. <i>format</i> should be one contained in the <a href="qml-qtquick-dragevent.html#formats-prop">formats</a> property.</p>
<p>This method was introduced in  Qt 5.2.</p>
</div></div><!-- @@@getDataAsString -->
<br/>
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